.../Core/Asset/Exception/IncompleteLibraryDefinitionException.php    |    2 +-
 core/lib/Drupal/Core/Asset/LibraryDiscovery.php                      |    2 +-
 core/lib/Drupal/Core/Asset/LibraryDiscoveryInterface.php             |    2 +-
 .../Tests/Core/Asset/library_test_files/invalid_file.libraries.yml   |    2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/core/lib/Drupal/Core/Asset/Exception/IncompleteLibraryDefinitionException.php b/core/lib/Drupal/Core/Asset/Exception/IncompleteLibraryDefinitionException.php
index 2ef4c98..52aa09c 100644
--- a/core/lib/Drupal/Core/Asset/Exception/IncompleteLibraryDefinitionException.php
+++ b/core/lib/Drupal/Core/Asset/Exception/IncompleteLibraryDefinitionException.php
@@ -8,7 +8,7 @@
 namespace Drupal\Core\Asset\Exception;
 
 /**
- * Defines a custom exception if a library has no js/css/setting specified.
+ * Defines a custom exception if a library has no CSS/JS/JS setting specified.
  */
 class IncompleteLibraryDefinitionException extends \RuntimeException {
 
diff --git a/core/lib/Drupal/Core/Asset/LibraryDiscovery.php b/core/lib/Drupal/Core/Asset/LibraryDiscovery.php
index 26bbfbe..aa351dd 100644
--- a/core/lib/Drupal/Core/Asset/LibraryDiscovery.php
+++ b/core/lib/Drupal/Core/Asset/LibraryDiscovery.php
@@ -18,7 +18,7 @@
 
 
 /**
- * Discovers available libraries in Drupal.
+ * Discovers available asset libraries in Drupal.
  */
 class LibraryDiscovery implements LibraryDiscoveryInterface {
 
diff --git a/core/lib/Drupal/Core/Asset/LibraryDiscoveryInterface.php b/core/lib/Drupal/Core/Asset/LibraryDiscoveryInterface.php
index 402b7d3..ac77f70 100644
--- a/core/lib/Drupal/Core/Asset/LibraryDiscoveryInterface.php
+++ b/core/lib/Drupal/Core/Asset/LibraryDiscoveryInterface.php
@@ -8,7 +8,7 @@
 namespace Drupal\Core\Asset;
 
 /**
- * Discovers information for CSS/JavaScript libraries.
+ * Discovers information for asset (CSS/JavaScript) libraries.
  *
  * Library information is statically cached. Libraries are keyed by extension
  * for several reasons:
diff --git a/core/tests/Drupal/Tests/Core/Asset/library_test_files/invalid_file.libraries.yml b/core/tests/Drupal/Tests/Core/Asset/library_test_files/invalid_file.libraries.yml
index b3cebbb..cb20993 100644
--- a/core/tests/Drupal/Tests/Core/Asset/library_test_files/invalid_file.libraries.yml
+++ b/core/tests/Drupal/Tests/Core/Asset/library_test_files/invalid_file.libraries.yml
@@ -1,2 +1,2 @@
-	example:
+example:
   -=--##;'~ test